Icom IC-M220 Instruction Manual - Page 36

Sending a Position Request call/Polling Request call, Example: Sending a Position Request call

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7 DIGITAL SELECTIVE CALLING (DSC) DDSending a Position Request call/Polling Request call (For only the USA version) You can send a Position Request call or Polling request call to a station, depending on the presetting. Send a Position Request call when you want to know a specific ship's current position. Example: Sending a Position Request call 1. Push OTHER DSC . ••The "OTHER DSC" screen is displayed. LL You can also display the "OTHER DSC" screen by selecting the "Other DSC" item on the Menu screen. 2. Select "Type," and then push [ENT]. 3. Select "Position," and then push [ENT]. LL When you send a Polling Request call, select "Polling." ••The message type is selected, and returns to the "OTHER DSC" screen. 4. Select "Address," and then push [ENT]. 5. Select a target to send a Position Request call to, and then push [ENT]. LL You can also select "Manual Input" to manually enter the target ID. 6. Push CALL to send the Position Request call. ••Position Request call is sent, and then "Waiting for ACK" is displayed. LL If Channel 70 is busy, the transceiver stands by until the channel becomes clear. 7. When you receive a Position Reply: ••An alarm sounds. ••The screen to the right is displayed. 8. Push ALARM OFF to turn OFF the alarm. 9. Push CLOSE . ••The received information is displayed. 10. Push [▲] or [▼] to scroll the screen, and then check the targetʼs position. 11. Push STBY , and then OK to return to the operating screen. 26

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26
7
DIGITAL SELECTIVE CALLING (DSC)
D
Sending a Position Request call/Polling Request call
(For only the USA version)
You can send a Position Request call or Polling request call to a station, depending on
the presetting.
Send a Position Request call when you want to know a specific ship’s current position.
Example: Sending a Position Request call
1.
Push
OTHER DSC
.
•
The “OTHER DSC” screen is displayed.
L
You can also display the “OTHER DSC” screen by
selecting the “Other DSC” item on the Menu screen.
2.
Select “Type,” and then push [ENT].
3.
Select “Position,” and then push [ENT].
L
When you send a Polling Request call, select
“Polling.”
• The message type is selected, and returns to the
“OTHER DSC” screen.
4.
Select “Address,” and then push [ENT].
5.
Select a target to send a Position Request call to, and
then push [ENT].
L
You can also select “Manual Input” to manually enter
the target ID.
6.
Push
CALL
to send the Position Request call.
•
Position Request call is sent
, and then “Waiting for
ACK” is displayed.
L
If Channel 70 is busy, the transceiver stands by until
the channel becomes clear.
7.
When you receive a Position Reply:
• An alarm sounds.
• The screen to the right is displayed.
8.
Push
ALARM OFF
to turn OFF the alarm.
9.
Push
CLOSE
.
• The received information is displayed.
10.
Push [▲] or [▼] to scroll the screen, and then check
the targetʼs position.
11. Push
STBY
, and then
OK
to return to the operating
screen.